Home / 87,213.40-130,820.10-62,330.20

Finding the Fourth Proportional to 87,213.40, 130,820.10 and 62,330.20

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Solution

The fourth proportional to 87,213.40, 130,820.10 and 62,330.20 is: 93,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,213.40 : 130,820.10 = 62,330.20 : x
  2. Step 2: Convert to fraction form
    87,213.40/130,820.10 = 62,330.20/x
  3. Step 3: Cross multiply
    87,213.40x = 130,820.10 × 62,330.20
  4. Step 4: Simplify right side
    87,213.40x = 8,154,042,997.02
  5. Step 5: Solve for x
    x = 8,154,042,997.02/87,213.40
  6. Step 6: Final answer
    x = 93,495.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.